Late-Onset Asymmetric Myoclonus: An Emerging Syndrome
Identifieur interne : 001B36 ( Main/Merge ); précédent : 001B35; suivant : 001B37Late-Onset Asymmetric Myoclonus: An Emerging Syndrome
Auteurs : Petra Katschnig [Royaume-Uni, Autriche] ; João Massano [Royaume-Uni, Portugal] ; Mark J. Edwards [Royaume-Uni] ; Petra Schwingenschuh [Royaume-Uni, Autriche] ; Carla Cordivari [Royaume-Uni] ; Kailash P. Bhatia [Royaume-Uni]Source :
- Movement disorders [ 0885-3185 ] ; 2011.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Background: Asymmetric cortical myoclonus is typically thought to be associated with either contralateral cortical structural lesions or degenerative disorders such as corticobasal degeneration when onset is in middle-aged or aged adults. This view has been challenged after a recent case series brought to light a syndrome of senile-onset, asymmetric cortical myoclonus not associated with any such identifiable disorders, thus, named "primary progressive myoclonus of aging." This is rare and no other reports have been published; hence, further such cases need to be highlighted. Case reports: Here, we describe 3 patients with some similarities, namely, adult-onset, asymmetric myoclonus that is most likely to be cortical, with an unremarkable thorough diagnostic workup, but with younger age at onset and longer follow-up time. Conclusions: This report expands on previous phenotypical descriptions attempting to further develop and refine this possible diagnostic entity.
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Pascal:11-0380290Le document en format XML
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Late-Onset Asymmetric Myoclonus: An Emerging Syndrome</title>
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<series><title level="j" type="main">Movement disorders</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Myoclonus</term>
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<front><div type="abstract" xml:lang="en">Background: Asymmetric cortical myoclonus is typically thought to be associated with either contralateral cortical structural lesions or degenerative disorders such as corticobasal degeneration when onset is in middle-aged or aged adults. This view has been challenged after a recent case series brought to light a syndrome of senile-onset, asymmetric cortical myoclonus not associated with any such identifiable disorders, thus, named "primary progressive myoclonus of aging." This is rare and no other reports have been published; hence, further such cases need to be highlighted. Case reports: Here, we describe 3 patients with some similarities, namely, adult-onset, asymmetric myoclonus that is most likely to be cortical, with an unremarkable thorough diagnostic workup, but with younger age at onset and longer follow-up time. Conclusions: This report expands on previous phenotypical descriptions attempting to further develop and refine this possible diagnostic entity.</div>
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